package net.lzzy.practices.web.admin;

import io.swagger.annotations.Api;
import net.lzzy.practices.constans.ApiConstant;
import net.lzzy.practices.constans.Messages;
import net.lzzy.practices.entities.User;
import net.lzzy.practices.service.UserService;
import net.lzzy.practices.utils.JwtUtil;
import net.lzzy.practices.web.models.ApiResult;
import net.lzzy.practices.web.models.VmUser;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;

@RestController
@RequestMapping(ApiConstant.ROUTE_USER_ROOT)
@CrossOrigin
public class UserApiController {
    private final UserService service;

    public UserApiController(UserService service) {
        this.service = service;
    }
    @GetMapping(ApiConstant.ROUTE_USER_ALL)
    public ApiResult getUsers(@RequestParam String token){
        String uid= JwtUtil.verifyToken(token);
        if (uid==null){
            return new ApiResult(false,"认证信息已失效，请重新登录",null);
        }
        //user
        User user = service.getById(UUID.fromString(uid));
        if (user == null){
            return new ApiResult(false,"认证信息无效，请登录",null);
        }
        int[] allowRoles = new int[User.TYPE_ADMIN];
        if (Arrays.stream(allowRoles).noneMatch(role -> role==user.getType())){
            return new ApiResult(false,"没有权限，请登录为管理员",null);
        }
        List<VmUser> users = new ArrayList<>();
        service.get().forEach(u->users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",users);
    }
    @GetMapping(ApiConstant.ROUTE_USER_PAGE)
    public ApiResult getPagedUsers(@RequestParam int page,@RequestParam int size,@RequestParam String token){
        List<VmUser> users = new ArrayList<>();
        service.get(page,size).forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,service.count()+"",users);
    }
    @GetMapping(ApiConstant.ROUTE_USER_SEARCH)
    public ApiResult search(String token,String kw){
        List<VmUser> users = new ArrayList<>();
        service.search(kw).forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",users);
    }
    @GetMapping(ApiConstant.ROUTE_USER_APPLYING)
    public ApiResult getApplyingTeacher(@RequestParam String token){
        List<VmUser> users = new ArrayList<>();
        service.getByApplyTeacher(true).forEach(u ->users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",true);
    }
    @PostMapping(ApiConstant.ROUTE_USER_APPROVE)
    public ApiResult approve(@RequestParam String token,@RequestParam UUID id){
        User user=service.approveTeacher(id);
        if (user == null){
            return new ApiResult(false,Messages.WRONG_ID.toString(), null);
        }
        return new ApiResult(true,Messages.SUCCESS.toString(), null);
    }
    @PostMapping(ApiConstant.ROUTE_USER_DECLINE)
    public ApiResult decline(@RequestParam String token,@RequestParam UUID id){
        User user=service.approveTeacher(id);
        if (user == null){
            return new ApiResult(false,Messages.WRONG_ID.toString(),null);
        }
        return new ApiResult(true,Messages.SUCCESS.toString(), VmUser.create(user,true));
    }
    @PostMapping(ApiConstant.ROUTE_USER_BAN)
    public ApiResult ban(@RequestParam String token,@RequestParam UUID id){
        User user=service.banUser(id);
        if (user == null){
            return new ApiResult(false,Messages.WRONG_ID.toString(),null);
        }
        return new ApiResult(true,Messages.SUCCESS.toString(), VmUser.create(user,true));
    }
}
